IT Infrastructure & Networking Flashcards
7 cards from real CCP practice questions. Tap to flip, then mark Knew It or Still Learning — missed cards come back until you master them.
Read the first 7 IT Infrastructure & Networking flashcards as text
Which DNS record type maps a hostname to an IPv4 address?
Answer: A record
An A (Address) record maps a fully qualified domain name to a 32-bit IPv4 address.
What is the purpose of a content delivery network (CDN)?
Answer: To distribute content from edge servers geographically closer to users
A CDN caches content on geographically distributed edge servers to reduce latency and improve load times for end users.
Which protocol is used to synchronize clocks across network devices?
Answer: NTP
NTP (Network Time Protocol) synchronizes clocks of computers and network devices to a common time reference.
What is a hot spare in the context of storage systems?
Answer: A standby drive already installed that automatically replaces a failed drive
A hot spare is a pre-installed idle drive in a RAID array that automatically activates to rebuild data when another drive fails.
Which protocol allows centralized authentication for network access using a client/server model?
Answer: RADIUS
RADIUS (Remote Authentication Dial-In User Service) centralizes authentication, authorization, and accounting for network access.
In a three-tier network architecture, which tier connects end-user devices to the network?
Answer: Access tier
The access tier (or access layer) is the network layer that directly connects end-user devices such as PCs and printers.
What distinguishes a stateful firewall from a stateless packet filter?
Answer: A stateful firewall tracks the state of active connections and makes decisions based on context
A stateful firewall maintains a connection state table, allowing it to identify and permit return traffic belonging to established sessions.